DE102010053199A1 - Device useful for processing continuous material web, preferably planar continuous material, comprises working table as support for the material web, and cutting device for separating the material web at cutting position - Google Patents

Abstract

Device for processing a continuous material web (1), preferably a planar continuous material, comprises a working table (2) as a support for the material web, and a cutting device (3) for separating the material web at a cutting position (4). The material web is led on the working table. The working table exhibits a means for discharging a partial section of the material web in a machine direction (8) of the material web, preferably immediately after the cutting position. An independent claim is also included for processing the continuous material web, preferably planar continuous material, comprising supplying the material web over the working table by a supply device and/or discharge device, separating the material web at the cutting position by the cutting device and discharging a partial section of the material web through the means integrated in working table and arranged in the machine direction, preferably immediately after the cutting position.

Description

The invention relates to a device for processing a continuous material web, in particular of flat continuous material. Furthermore, the invention relates to a method for processing a continuous material web, in particular from flat continuous material.

Basically, this is the processing of a continuous material web, in which it is flat endless material such. B. can act as a label web. Foils, waxed paper or general carrier materials or carrier tapes with pharmaceutical labels, vignettes, price tags, etc. are also possible. In any case, these are continuous material webs which may have defective portions in the production process, as an intermediate or end product. However, such material webs must be free of errors for further use. Consequently, it is necessary to eliminate defective portions

Devices and methods of the type in question have been known for years from practice. In the known methods or devices is problematic that, as in the conventional cutting of films, require a manual cutting of the web to remove a faulty part of the web. After separating out the partial section, the remaining ends of the material web must be manually connected to each other again to obtain a continuous material web. This is particularly disadvantageous in the known methods and devices that their throughput is significantly limited due to the manual operations.

The present invention is therefore based on the object, such a device and a method of the type mentioned in such a way and further develop that the simplest construction and operation, the provision of error-free continuous webs of material is possible.

According to the invention the above object is solved by the features of claim 1. Thereafter, an apparatus for processing a continuous material web, in particular of flat endless material, specified, with a work table as a support for the material web and a cutting device for separating the material web at a cutting position, wherein the material web is feasible on the work table and wherein the work table in the running direction the material web after the cutting position has a means for discharging a portion of the web.

With regard to the inventive method, the above object is achieved with the features of claim 18. Thereafter, a method for processing a continuous material web, in particular of flat endless material, specified, wherein a device comprises a work table and a cutting device, wherein the material web is guided over the work table with a feed device and / or a discharge device and wherein the material web at a cutting position is separated by the cutting device and wherein a partial path of the material web is discharged by an integrated in the work table and arranged in the direction of the cutting position means.

In accordance with the invention, it has first been recognized that it is of considerable advantage if, in addition to a cutting device for separating the material web, the device has a work table as support for the material web, wherein the material web can be guided over the work table. Thus, the device according erfindungsmäße be involved in a production process, in particular from roll to roll, as an intermediate station, wherein the web over the work table -. B. by train or push - is performed. Faulty parts of the web can thereby visually, z. B. detected with appropriate sensors or with, especially for the detection of defective parts, detection means and detected. In a further inventive manner has been recognized that defective parts or partial sections can be removed from a continuous material web in an efficient manner by the work table in the running direction of the material web, preferably immediately after the cutting position, a device for discharging a section of the material web. After the removal of a faulty section of the material web, the two remaining ends of the material web in a suitable manner, for. B. manually, be reconnected to each other. In an advantageous manner, the device for discharging is arranged so close to the cutting position that the remaining ends of the material web are positioned sufficiently close to one another for their joining after the separation of a section of the material web.

Consequently, with the device according to the invention and the method according to the invention, an erroneous section of a continuous material web can be removed in an efficient manner and with simple structural means.

In a particularly advantageous manner, the device may be a pivoting device. The pivoting device can be integrated into the work table such that the worktable is opened by a pivoting movement. The guided over the work table material web is through the cutting device separated and discharged via the resulting by pivoting the pivoting opening in the work table, preferably in a disposal chute. In concrete terms, the pivoting device may be designed in the form of a pivoting table.

To ensure a particularly simple removal, the pivoting device may be configured such that for discharging the material web, the side of the pivoting device facing the cutting position can be pivoted upwardly away from the work table. This makes it possible in a particularly simple manner that after the material web has been cut off at the cutting position, the material web to be fed can be guided or pushed particularly effectively into the opening between the swiveling device and the work table and is therefore discharged. After the excised section is completely separated from the web and discharged through the opening, the pivoting device can again in its closed position, d. H. move to the work table level. For the removal, it may be particularly advantageous if the pivoting device or the opening is arranged directly adjacent to the cutting device. Furthermore, it is conceivable that the discharge of the part of the material web to be separated out is conveyed via the opening by means of suction and / or blowing means for sucking or pushing off.

With regard to the maintenance of a continuous material web, the device may have a joining device for preferably automatically connecting two ends of the material web. Conveniently, the joining device can be arranged in the region or at the cutting position. Thus, provided that the device for discharging a section of the material web is arranged immediately after the cutting position, the remaining ends of the material web after the discharge process in a particularly simple manner can be connected to each other again. Thus, it is not necessary to merge the two remaining ends of the material web until they can be connected or joined together. Consequently, the means for discharging can be arranged so close to the cutting position that the

With regard to the joining of two material web ends, the joining device can be designed as an adhesive, pressing and / or welding device.

In an advantageous embodiment, the joining device may have a joining plate for receiving a joining means, wherein the joining plate is integrated in the work table and can be moved vertically to the plane of the work table. As a joining agent, for example, an adhesive tape strip can be used. It is conceivable that the joining agent is placed manually on the joining plate. With regard to an increase in throughput and productivity, the joining agent can be automatically placed on the joining plate.

In a further advantageous manner, the joining agent can be sucked by suction on the joining plate. Thus, an optimal and secure positioning of the joining agent on the joining plate is possible.

In view of a simple construction, the cutting device is designed for pressure cutting.

In a further advantageous manner, the cutting device can have a hold-down for the material web. Thus, the material web can be held on the work table via the hold-down by depressing the material web. Furthermore, the holding-down device can be used to connect two material web ends to one another by depressing, for example by means of a joining means and / or by interacting with the joining plate.

In a specific embodiment, a knife can be integrated in the hold-down device, wherein this knife can be extended in the hold-down device. Thus, the hold-down with integrated knife can act both as a hold-down and as a cutting device.

With regard to a correct and safe cut, a sensor, which is preferably arranged on the work table, can be provided which, triggered by the hold-down device, controls the extension of the knife from the hold-down device. The sensor detects the hold-down in a predetermined position, preferably when the hold-down is directly above or on the web. Depending on the detection of the blank holder, it may be possible to extend the blade or be triggered directly by the detection.

With regard to a particularly simple construction, the cutting device, in particular the hold-down device and / or the knife, can be pivotable onto the material web. It is conceivable that the cutting device comprising a hold-down device and a knife is designed such that the hold-down device and the knife can each pivot on the material web and / or are designed to pivot together as a unit.

In principle, it is conceivable that the cutting device is designed as a laser cutting device or as a water jet cutting device.

In a further advantageous manner, a feed device and / or a discharge device can be provided for guiding the material web over the work table. Due to the configuration with a feed device, which is arranged in front of the work table, and a discharge device, which is arranged after the work table, the material web can be permanently held in tension.

Specifically, the feeder or the discharge device may comprise a pulling and / or pushing device.

In an advantageous manner, a clamping element for holding the material web in the running direction can be arranged in front of the cutting position. With the help of this clamping element, the web can be kept flat on the work table. In addition, it can be stopped by means of this clamping element with permanent feed or permanent feed of the web. For example, for the cutting process and / or for the joining process, in each case a retention of the material web may be required.

Furthermore, additionally or alternatively, a clamping element for holding the material web in the running direction after the cutting position can be arranged.

There are now various possibilities for designing and developing the teaching of the present invention in an advantageous manner. For this purpose, on the one hand to the claims subordinate to claim 1 and on the other hand to refer to the following explanation of a preferred embodiment of the invention with reference to the drawings. In conjunction with the explanation of the preferred embodiment of the invention with reference to the drawing, generally preferred embodiments and developments of the teaching are explained. In the drawing show

1 in a schematic view of an embodiment of a device according to the invention,

2 in a schematic sectional view of the embodiment 1 , wherein the cutting plane lies in the parting plane of the cutting device and

3 each in a schematic side view five different steps of an embodiment of a method according to the invention using a device according to the invention.

1 shows in a perspective view an embodiment of a device according to the invention, wherein a continuous material web 1 is processed from flat continuous material to faulty sections of the web 1 to remove. This is the material web 1 automatically cut by the device accurately positioned and a specific section of the web 1 discharged. After the specific section of the material web 1 is separated, the two remaining ends of the web 1 glued together again with a joining device.

The device off 1 includes a work table 2 as a support for the material web 1 and a cutter 3 for separating the material web 1 at a cutting position 4 , The cutting device 3 includes one on the work table 2 or on the material web 1 swiveling hold-down 5 with an integrated, extendable knife. In the work table 2 is after the cutting position 4 a swivel table 6 for discharging the material web 1 integrated. In the area of the cutting position 4 has the work table 2 a joining device with a vertically movable joining plate 7 on.

By means of an in 1 Feeding device or assembly not shown becomes the material web during the machining process 1 in the direction of travel 8th over the work table 2 pushed or pulled. In this case, a section of the material web 1 with one or more faulty labels to the cutting position 4 guided. Once the part to be removed the cutting position 4 has achieved is using a clamping element 9 before the cutting position 4 and a tensioning element 10 after the cutting position 4 the material web 1 held or held in position.

The hold down 5 pivots on the material web 1 and one in the hold down 5 integrated knife arm with associated knife only moves out when the hold-down device 5 on the work table 2 or over the material web 1 one being on the worktable 2 arranged sensor 11 signals that the hold down 5 is in position. The material web 1 is from the cutter 3 automatically cut to the exact position.

After cutting, the blade or knife arm retracts and the hold-down device retracts 5 pivots back to the starting position, ie the hold-down 5 swings from the work table 2 back upstairs. The swivel table 6 and the tensioning element 9 will be opened. The swivel table 6 pivots with his to the cutting position 4 facing side up and forms with the rigid part of the work table 2 an opening to a disposal shaft for discharging the material web 1 , Accordingly, a defined section of the material web 1 , z. B. a predetermined number of labels, by means of the feeder or the train group led into the disposal shaft. Once the defined section has traveled, the clamping element closes 9 again and thus keeps the tracked material web 1 on position. The hold down 5 with integrated knife arm or knife swivels again on the material web 1 and cuts off the discharged material web. Then the hold-down pivots 5 with retracted knife arm back to the starting position and the swivel table 6 close again.

In the further course of the machining process, the joining plate moves 7 the joining device vertical to the plane of the work table 2 down to pick up a strip of tape. The tape strip is placed by hand and held in position by suction by means of suction. After pressing a start button, the joining plate moves 7 back up to the level of the worktable 2 , In this position is now the tape strip under the two remaining ends of the web 1 , The hold down 5 pivots on the separate material web at the cutting position 4 , The knife remains retracted, and thus presses or presses the web ends on the tape strip. The hold down 5 pivots back to the starting position and the clamping elements 9 and 10 open up. Once the hold down 5 and the clamping elements 9 and 10 In the initial position, ie, are open, the bonded web is automatically on the work table 2 guided. During the machining process, the thrust or preferential force of the feed device is set such that the material web 1 is continuously tracked and by closing the clamping element 9 is persistent.

2 shows in a perspective sectional view of the embodiment 1 , wherein the cutting plane in the parting plane of the cutting device 3 lies. It is in the holddown 5 integrated knife arm 12 to recognize.

3 Each shows in a schematic sectional view five different steps of an embodiment of a method according to the invention using a device according to the invention.

According to 3a is in a first step, as soon as the faulty subsection of the material web to be removed 1 the cutting position 4 has achieved with a clamping element 9 before the cutting position 4 and a tensioning element 10 after the cutting position 4 the material web 1 held or held in position. The cutting device separates the material web with a first cut 1 at the cutting position 4 ,

In a next step is according to 3b the swivel table 6 and the tensioning element 9 opened and a defined leg 13 the material web 1 , z. B. a predetermined number of labels, discharged into a disposal chute. Is the defined leg 13 shut down closes the clamping element 9 again and the discharged into the disposal shaft section 13 is separated by a second cut of the cutter.

Thereafter, according to 3c in the following step the swivel table 6 closed again.

In the fourth step according to 3d moves the joining plate 7 the joining device vertically down to an adhesive tape strip 14 take. The tape strip 14 is automatically on the joining plate 7 hung up. By means of suction, the tape strip 14 kept in position. Once the tape strip 14 automatically on the joining plate 7 is exposed, is triggered by a trigger signal, the joining plate 7 automatically back to the starting position, ie in the plane of the work table 2 , proceed.

In the last step according to 3e is the tape strip 14 under the two remaining ends of the web 1 , The hold down 5 pivots on the material web 1 and squeeze the tape strip 14 on the material web ends. After that, the material web 1 automatically continue over the work table 2 guided.

With regard to further advantageous embodiments of the device according to the invention and the method according to the invention, reference is made to avoid repetition to the general part of the specification and to the appended claims.

Finally, it should be expressly understood that the above-described embodiments of the device according to the invention and the method according to the invention are merely for the purpose of discussion of the claimed teaching, but do not limit these to the exemplary embodiments.

LIST OF REFERENCE NUMBERS

1

web

2

worktable

3

cutter

4

cutting position

5

Stripper plate

6

Rotary table

7

joining plate

8th

direction

9

clamping element

10

clamping element

11

sensor

12

knife arm

13

leg

14

adhesive tape strips

Claims (18)

Device for processing a continuous material web ( 1 ), in particular of flat continuous material, with a work table ( 2 ) as a support for the material web ( 1 ) and a cutting device ( 3 ) for separating the material web ( 1 ) at a cutting position ( 4 ), wherein the material web ( 1 ) over the work table ( 2 ) is feasible and wherein the work table ( 2 ) in the running direction ( 8th ) of the material web ( 1 ), preferably immediately after the cutting position ( 4 ) a device for discharging a partial section ( 13 ) of the material web ( 1 ) having. Apparatus according to claim 1, characterized in that the device comprises a pivoting device, preferably in the form of a pivoting table ( 6 ) is. Apparatus according to claim 2, characterized in that the pivoting device is designed such that for discharging the material web ( 1 ) to the cutting position ( 4 ) facing side of the pivoting device from the work table ( 2 ) is swung upwards. Device according to one of claims 1 to 3, characterized in that a joining device for connecting two ends of the material web ( 1 ), preferably in the region of the cutting position ( 4 ), is provided. Apparatus according to claim 4, characterized in that the joining device is designed as an adhesive, pressing and / or welding device. Apparatus according to claim 4 or 5, characterized in that the joining device is a joining plate ( 7 ) for receiving a joining agent, in particular an adhesive tape strip ( 14 ), wherein the joining plate in the work table ( 2 ) and vertical to the worktable level ( 2 ) is movable. Apparatus according to claim 6, characterized in that the joining means by suction on the joining plate ( 7 ) is sucked. Device according to one of claims 1 to 7, characterized in that the cutting device ( 3 ) is designed for pressure cutting. Device according to one of claims 1 to 8, characterized in that the cutting device ( 3 ) a hold-down ( 5 ) having. Apparatus according to claim 9, characterized in that in the hold-down ( 5 ) a knife is integrated, the knife in the hold ( 5 ) is extendable. Device according to 10, characterized in that one, preferably on the work table ( 2 ), sensor ( 2 ) is provided, which can be triggered by the hold-down ( 5 ) the extension of the knife from the hold-down ( 5 ) controls. Device according to one of claims 1 to 11, characterized in that the cutting device ( 3 ), in particular the hold-down ( 5 ) and / or the knife, on the material web ( 1 ) is pivotable. Device according to one of claims 1 to 12, characterized in that the cutting device ( 3 ) is designed as a laser cutting device or water jet cutting device. Device according to one of claims 1 to 13, characterized in that for guiding the material web ( 1 ) over the work table ( 2 ) a feed device and / or a discharge device is provided. Apparatus according to claim 14, characterized in that the feed device or the discharge device comprises a pulling and / or pushing device. Device according to one of claims 1 to 15, characterized in that a clamping element ( 9 ) for holding the material web ( 1 ) in the running direction ( 8th ) in front of the cutting position ( 4 ) is arranged. Device according to one of claims 1 to 16, characterized in that a clamping element ( 10 ) for holding the material web ( 1 ) in the running direction ( 8th ) after the cutting position ( 4 ) is arranged. Method for processing a continuous material web ( 1 ), in particular of flat endless material, wherein a device, in particular according to one of claims 1 to 17, a work table ( 2 ) and a cutting device ( 3 ), wherein with a feed device and / or a discharge device, the material web ( 1 ) over the work table ( 2 ) and wherein the material web ( 1 ) at a cutting position ( 4 ) by the cutting device ( 3 ) and being separated by one in the work table ( 2 ) integrated and in running direction ( 8th ), preferably immediately after the cutting position ( 4 ) arranged a section ( 13 ) of the material web ( 1 ) is discharged.

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